linux-kernel - Re: [PATCH] drivers/dma/ioat

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Message-Id: <200801061357.24834.m.kozlowski@tuxland.pl>
Date:	Sun, 6 Jan 2008 13:57:23 +0100
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Nelson, Shannon" <shannon.nelson@...el.com>, caglar@...dus.org.tr,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/dma/ioat_dma.c: inlining failed

Hello,

> > >After commit 7bb67c14fd3778504fb77da30ce11582336dfced, Linus's 
> > >git tree gaves following compiliation error with gcc-3.4.6. 
> > >Following patch solves this issue for me;
> > >
> > >
> > >[...]
> > >  CC [M]  drivers/dma/ioat.o
> > >  CC [M]  drivers/dma/ioat_dma.o
> > >drivers/dma/ioat_dma.c: In function `ioat1_tx_submit':
> > >drivers/dma/ioat_dma.c:177: sorry, unimplemented: inlining 
> > >failed in call to '__ioat1_dma_memcpy_issue_pending': function 
> > >body not available
> > >drivers/dma/ioat_dma.c:268: sorry, unimplemented: called from here
> > >make[2]: *** [drivers/dma/ioat_dma.o] Hata 1
> > >make[1]: *** [drivers/dma] Hata 2
> > >make: *** [drivers] Hata 2
> > >
> > >Signed-off-by: S.__a__lar Onur <caglar@...dus.org.tr>
> > [...]
> > 
> > Yep.  I posted a similar patch with a couple more tweaks after a month ago after Andrew's comments, which hasn't yet moved from -mm to Linus' tree.  See http://lkml.org/lkml/2007/11/16/336
> > 
> 
> Nobody told me that it fixed anything serious so I had it scheduled for
> 2.6.25.  I'll move it up.

BTW. It's still not there. Latest Linus linux-2.6 git tree with gcc-3.4.6:

  CC [M]  drivers/dma/ioat_dma.o
drivers/dma/ioat_dma.c: In function `ioat1_tx_submit':
drivers/dma/ioat_dma.c:177: sorry, unimplemented: inlining failed in call to '__ioat1_dma_memcpy_issue_pending': function body not available
drivers/dma/ioat_dma.c:268: sorry, unimplemented: called from here
make[2]: *** [drivers/dma/ioat_dma.o] Error 1
make[1]: *** [drivers/dma] Error 2
make: *** [drivers] Error 2

Regards,

	Mariusz
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